Vocabulary consisting only from characters you are able to read
母国語
ぼこくご
mother tongue, native languagemix
南北
なんぼく
south and northmix
やる気
やるき
willingness (e.g. to do something)/eagerness/motivation/inspiration/determination/high aspirationsjlpt3
同士
どうし
fellow, mutual, companion, comrade, bondingmix